Ships within 1 day. Lovely blue diamond ring .925 sterling silver with rhodium plating. The sparkling natural 1.65 cttw round blue diamonds are irradiated. The width of the ring is 16 mm. The ring is made of 122 diamonds set in prong setting. The ring is available in multiple sizes. Gift box is included with purchase of this ring. Stone Type - Natural Blue Diamond. Metal - 925 Sterling Silver. Number of Diamonds - 122. Diamond Cut - Round. Total Diamond Carat Weight - 1.65 cttw. Diamond Clarity - I1-I2. Vir Jewels Sterling Silver Statement Ring For Female Adult. Birthstone Month - April. Natural Diamonds are treated by irradiation to produce a variety of fancy colors including hues of blue. This process is permanent and does not alter any other property of the diamond except the color.